Method of coating a superstrate

A method of coating a superstrate using a vacuum chuck containing ridges can comprise attaching the superstrate on the vacuum chuck; applying on the superstrate a liquid layer of a coating composition, the coating composition comprising a coating agent and a non-fluorinated solvent, wherein the non-...

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Bibliographische Detailangaben
Hauptverfasser:	Liu, Weijun, Rushkin, Ilya L
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TRANSPORTING
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Beschreibung
Zusammenfassung:	A method of coating a superstrate using a vacuum chuck containing ridges can comprise attaching the superstrate on the vacuum chuck; applying on the superstrate a liquid layer of a coating composition, the coating composition comprising a coating agent and a non-fluorinated solvent, wherein the non-fluorinated solvent has a boiling point of at least 165° C.; and solidifying the coating composition to form a solid coating layer. The material of the superstrate can have a thermal conductivity of not greater than 10 W/mK and the solid coating layer obtained after solidifying may comprise a smoothness value (SM) of not greater than 1%, the smoothness value being defined as SM=(CRD/CT)×100%, with CRD being a maximum roughness depth of the coating layer and CT an average thickness of the coating layer over a length of 10 mm of the solid coating layer.